package a_doubleWrite;

import java.util.ArrayList;
import java.util.List;

/**
 * todo
 *
 * @author luolidong
 * @version 1.0
 * @create 2021-07-31 19:43
 */
public class L85 {
    public int maximalRectangle(char[][] matrix) {
        int len = matrix.length;
        if (len == 0) return 0;
        int len2 = matrix[0].length;
        for (int i = 0; i < len; i++) {
            for (int j = 0; j < len2; j++) {
                if (matrix[i][j] == '1') {

                }
            }
        }
        return 0;
    }
}
